finger · n
keep your fingers crossed/cross your fingers
C2 to hope that things will happen in the way that you want them to, and to put a finger over the one next to it as a sign of that hope
Dictionary examples:
Let's keep our fingers crossed that she gets the job. (40.0)
We're crossing our fingers and hoping that the weather stays fine. (40.8)
put your finger on sth
C2 to understand exactly why a situation is the way it is
Dictionary examples:
Something was wrong, but I couldn't put my finger on it. (29.0)
have/keep your finger on the pulse
C2 to be/stay familiar with the most recent changes or improvements
Dictionary examples:
The situation changes daily, so you've got to keep your finger on the pulse. (54.6)
finger
A2 one of the long, thin parts of the hand that hold things, including the thumb
Dictionary examples:
I painted smiley faces on my fingers for fun. (0.0)
My cat thinks my fingers are tasty snacks. (0.0)
I use my fingers to count sheep when I can't sleep. (0.0)
He noticed her long delicate fingers. (39.0)
I cut my finger chopping vegetables last night. (41.5)